Talazoparib - Carboplatin for Recurrent High-grade Glioma With DDRd

  • End date
    Dec 31, 2023
  • participants needed
  • sponsor
    The University of Hong Kong
Updated on 25 August 2021


In view of the strong biological rationale of employing PARP inhibition in high grade glioma, the current study purposes testing of talazoparib in a biomarker-enriched group of glioma. Carboplatin will be added to sensitize the tumor to PARP inhibition, and low dose radiation therapy will be applied to increase talazoparib drug penetration through blood-brain barrier. The goal is to estimate the effect size of such combinational treatment approach in recurrent high-grade glioma with DNA damage repair deficiency (dDDR)


Recurrent high grade glioma with dDDR, defined by genomic aberrations associated including IDH mutation, PTEN mutation and "BRCAness" signature as defined by next-generation-sequencing (NGS) based comprehensive genomic profiling, will be enrolled.

Patients will receive treatment in 7-day cycle. D1-4: Oral talazoparib 0.75mg daily; D1: Carboplatin (AUC 1.5). On cycle 1 day 1 low dose whole radiation radiation therapy will be given to increase drug penetration. Primary outcome is 6-month progression free survival (PFS-6) by RANO criteria. The study intended to recruit 33 subjects

Condition Recurrent Glioma, Recurrent Glioblastoma, IDH Mutation, PTEN Gene Inactivation, Poly ADP Ribose Polymerase (PARP) Inhibitor
Treatment Talazoparib
Clinical Study IdentifierNCT04740190
SponsorThe University of Hong Kong
Last Modified on25 August 2021


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